Page 236 - Optical Switching And Networking Handbook
P. 236

10_200023_CH09/Bates  1/17/01 9:45 AM  Page 221










                    Cost Implications and Financial Trending                                     221


                                           25
                    Figure 9-3
                    Growth in optical
                    networking             20
                                          in $ billions US  15
                    equipment





                                           10


                                            5


                                            0
                                                   2000          2001         2002          2003




                                            1,600
                    Figure 9-4
                                            1,400
                    Comparison of OC-       1,200
                    48s on TDM versus       1,000
                    optical cross-         in $000 US  800
                    connect systems          600
                                             400
                                             200
                                               0
                                                      1        4        8        12       16        20
                                                                           OC 48
                                                               TDM       Optical Cross Connects





                                       them more flexibility to install more equipment at lower rates. More-
                                       over, when the carriers want to install their optical networking com-
                                       ponents, differences play into another part of the equation. The two
                                       different ways to install fiber networks are
                                       1. Transparent

                                       2. Opaque
   231   232   233   234   235   236   237   238   239   240   241